Sadler's Gap is a natural-formed gap of Red Mountain located in north-east Jefferson County. The gap was a heavily traveled entrance into Jones Valley before railroads and highways were built, coincidentally, through it.
In the mid-20th Century, Sadler's Gap featured a railroad bridge over Gadsden Highway in north-east Jefferson County between Roebuck and Roebuck Plaza, where present-day Interstate 59 passes over U.S. Highway 11. The concrete slabs of the railroad bridge were known for being narrow, and were frequently covered in spray-painted graffiti. The railroad bridge over Sadler's Gap was demolished in 1972 to make way for the Interstate, which currently passes over a widened Highway 11 at the Sadler's Gap site.
- Bailey, Tom (June 25, 1972) "Thrills, chills of Sadler's Gap must yield to highway I-59." Birmingham News